./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i -s /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5215e5737a498758a69166e4cb965ac784d9f47d .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:21:23,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:21:23,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:21:23,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:21:23,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:21:23,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:21:23,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:21:23,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:21:23,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:21:23,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:21:23,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:21:23,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:21:23,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:21:23,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:21:23,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:21:23,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:21:23,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:21:23,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:21:23,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:21:23,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:21:23,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:21:23,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:21:23,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:21:23,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:21:23,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:21:23,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:21:23,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:21:23,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:21:23,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:21:23,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:21:23,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:21:23,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:21:23,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:21:23,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:21:23,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:21:23,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:21:23,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:21:23,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:21:23,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:21:23,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:21:23,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:21:23,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 04:21:23,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:21:23,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:21:23,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:21:23,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:21:23,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:21:23,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:21:23,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:21:23,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:21:23,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:21:23,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:21:23,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:21:23,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:21:23,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:21:23,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:21:23,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:21:23,700 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:21:23,701 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:21:23,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:21:23,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:21:23,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:21:23,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:21:23,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:21:23,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:21:23,703 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 04:21:23,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:21:23,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:21:23,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:21:23,704 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5215e5737a498758a69166e4cb965ac784d9f47d [2019-11-20 04:21:23,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:21:23,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:21:23,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:21:23,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:21:23,889 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:21:23,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i [2019-11-20 04:21:23,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/data/b6b88692b/899c1f7caab64ff388e76ef79d8a883c/FLAGd44af2523 [2019-11-20 04:21:24,577 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:21:24,578 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i [2019-11-20 04:21:24,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/data/b6b88692b/899c1f7caab64ff388e76ef79d8a883c/FLAGd44af2523 [2019-11-20 04:21:24,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/data/b6b88692b/899c1f7caab64ff388e76ef79d8a883c [2019-11-20 04:21:24,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:21:24,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:21:24,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:21:24,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:21:24,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:21:24,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:21:24" (1/1) ... [2019-11-20 04:21:24,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c012694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:24, skipping insertion in model container [2019-11-20 04:21:24,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:21:24" (1/1) ... [2019-11-20 04:21:24,982 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:21:25,049 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:21:25,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:21:25,967 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:21:26,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:21:26,269 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:21:26,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26 WrapperNode [2019-11-20 04:21:26,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:21:26,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:21:26,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:21:26,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:21:26,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:21:26,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:21:26,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:21:26,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:21:26,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... [2019-11-20 04:21:26,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:21:26,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:21:26,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:21:26,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:21:26,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:21:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:21:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-20 04:21:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-20 04:21:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 04:21:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:21:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:21:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 04:21:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-11-20 04:21:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-11-20 04:21:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:21:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 04:21:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-11-20 04:21:26,660 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-11-20 04:21:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:21:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-20 04:21:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-20 04:21:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-20 04:21:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-20 04:21:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-11-20 04:21:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-11-20 04:21:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:21:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-20 04:21:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-20 04:21:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:21:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:21:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:21:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-20 04:21:30,333 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:21:30,333 INFO L285 CfgBuilder]: Removed 83 assume(true) statements. [2019-11-20 04:21:30,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:21:30 BoogieIcfgContainer [2019-11-20 04:21:30,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:21:30,336 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:21:30,336 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:21:30,348 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:21:30,348 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:21:30" (1/1) ... [2019-11-20 04:21:30,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:21:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:21:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 134 transitions. [2019-11-20 04:21:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2019-11-20 04:21:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 04:21:30,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:21:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:21:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:21:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:21:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 128 transitions. [2019-11-20 04:21:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2019-11-20 04:21:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 04:21:30,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:21:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:21:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:21:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:21:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2019-11-20 04:21:31,070 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2019-11-20 04:21:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 04:21:31,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:21:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:21:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:21:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:21:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2019-11-20 04:21:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2019-11-20 04:21:31,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:21:31,223 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-20 04:21:31,233 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 04:21:31,343 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,349 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,349 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,349 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,349 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,350 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,351 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,351 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,351 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,351 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,351 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,352 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,353 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,353 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,353 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,353 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,354 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,354 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,354 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,354 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,354 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,355 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,355 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,355 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,355 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,355 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,357 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:21:31,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:21:31 ImpRootNode [2019-11-20 04:21:31,358 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 04:21:31,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:21:31,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:21:31,360 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:21:31,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:21:30" (3/4) ... [2019-11-20 04:21:31,366 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:21:31,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rcu_read_lock_sched_notrace [2019-11-20 04:21:31,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-20 04:21:31,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_kmalloc [2019-11-20 04:21:31,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2019-11-20 04:21:31,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2019-11-20 04:21:31,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2019-11-20 04:21:31,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2019-11-20 04:21:31,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 133 nodes and edges [2019-11-20 04:21:31,408 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2019-11-20 04:21:31,410 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 04:21:31,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 04:21:31,717 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_50ee5d8b-1925-448f-9ce7-10d0f8ef463b/bin/ukojak/witness.graphml [2019-11-20 04:21:31,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:21:31,721 INFO L168 Benchmark]: Toolchain (without parser) took 6753.24 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:21:31,726 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:21:31,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1305.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:21:31,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:21:31,730 INFO L168 Benchmark]: Boogie Preprocessor took 151.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:21:31,732 INFO L168 Benchmark]: RCFGBuilder took 3774.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -142.0 MB). Peak memory consumption was 294.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:21:31,733 INFO L168 Benchmark]: CodeCheck took 1022.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:21:31,733 INFO L168 Benchmark]: Witness Printer took 358.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:21:31,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 94 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 2150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2031]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1305.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 137.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 151.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3774.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -142.0 MB). Peak memory consumption was 294.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1022.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. * Witness Printer took 358.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...